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Searched refs:IDR (Results 1 – 14 of 14) sorted by relevance

/ohos5.0/foundation/multimedia/av_codec/services/media_engine/modules/demuxer/
H A Dframe_detector.cpp82 return nalType >= H264NalType::NON_IDR && nalType <= H264NalType::IDR; in IsVCL()
87 return nalType == H264NalType::IDR; in IsIDR()
H A Dframe_detector.h67 IDR = 5, enumerator
/ohos5.0/foundation/multimedia/av_codec/test/unittest/hcodec_test/helper/
H A Dstart_code_detector.cpp200 return nalType >= H264NalType::NON_IDR && nalType <= H264NalType::IDR; in IsVCL()
205 return nalType == H264NalType::IDR; in IsIDR()
H A Dstart_code_detector.h95 IDR = 5, enumerator
/ohos5.0/docs/zh-cn/application-dev/media/avcodec/
H A Dvideo-encoding.md444 // 支持动态请求IDR
570 输入的第一个buffer需要携带参数集,从IDR帧开始送入。
782 // 支持动态请求IDR
H A Dvideo-encoding-temporal-scalability.md55 - 叠加强制IDR配置时,请使用随帧通路配置。
H A Daudio-video-demuxer.md268 | AVCODEC_BUFFER_FLAGS_SYNC_FRAME | IDR帧或I帧。 |
H A Dvideo-decoding.md674 …Stop()后,解码器保留了解码实例,释放输入输出buffer。调用者可以直接调用OH_VideoDecoder_Start接口继续解码,输入的第一个buffer需要携带参数集,从IDR帧开始送入。
/ohos5.0/docs/en/application-dev/media/avcodec/
H A Dvideo-encoding.md444 // Dynamically request IDR frames.
572 The first **buffer** passed must carry the parameter set, starting from the IDR frame.
783 // Dynamically request IDR frames.
H A Daudio-video-demuxer.md268 | AVCODEC_BUFFER_FLAGS_SYNC_FRAME | IDR frame or I-frame.|
H A Dvideo-encoding-temporal-scalability.md55 - When using the forcible IDR configuration along with the two features, use the frame channel conf…
H A Dvideo-decoding.md677 …ontinue decoding. The first input buffer must carry the parameter set, starting from the IDR frame.
/ohos5.0/docs/zh-cn/device-dev/porting/
H A Dporting-dayu200-on_standard-demo.md1822 …& 0x1f就代表该帧的类型。Nalu头是以0x00000001或0x000001为起始标志的。 该图为nal_unit_type为不同数值时的帧类型。我们主要关心type为5也就是IDR帧信息。
1826 rk_cedec_node.cpp文件里对IDR帧分析进行了代码化:
1851 每经过一个h264转换过的buffer都会被传入SearchIFps接口中寻找IDR帧。其中findStartCode()接口会对buffer中的内容逐个字节扫描,知道寻找出NALU头来
/ohos5.0/docs/en/device-dev/porting/
H A Dporting-dayu200-on_standard-demo.md1835 …es when **nal_unit_type** is set to different values. Pay attention to the IDR frame information w…
1839 IDR frame analysis is coded in the **rk_cedec_node.cpp** file.
1864 Each buffer converted by H.264 is transferred to the **SearchIFps** API to search for IDR frames. T…